Photoelectron diffraction from single oriented molecules: Towards ultrafast structure determination of molecules using x-ray free-electron lasers

Misato Kazama, Takashi Fujikawa, Naoki Kishimoto, Tomoya Mizuno, Jun Ichi Adachi, Akira Yagishita

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

We provide a molecular structure determination method, based on multiple-scattering x-ray photoelectron diffraction (XPD) calculations. This method is applied to our XPD data on several molecules having different equilibrium geometries. Then it is confirmed that, by our method, bond lengths and bond angles can be determined with a resolution of less than 0.1 Å and 10â̂̃, respectively. Differently from any other scenario of ultrafast structure determination, we measure the two- or three-dimensional XPD of aligned or oriented molecules in the energy range from 100 to 200 eV with a 4π detection velocity map imaging spectrometer. Thanks to the intense and ultrashort pulse properties of x-ray free-electron lasers, our approach exhibits the most probable method for obtaining ultrafast real-time structural information on small to medium-sized molecules consisting of light elements, i.e., a "molecular movie."

Original languageEnglish
Article number063417
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume87
Issue number6
DOIs
Publication statusPublished - 2013 Jun 18

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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